Why does MgCo3 dissolve in water and not in alcohol. Why does Baking Soad dissolve in water. Why does Baking Soda disslove in alcohol. How do you tell the difference beteewn MgCO3 and sugar using thir different solubility to alcohol and water. How do the solubilitees of sugar and citric acid in rubbing alcohol help to distinguish between the tow substances. How might you tell the difference between lauric and Stearic acid using thier differences in solubility to alcohol and water.